Leverage Google Analytics conversions in Google Ads so I can see which ads/keywords/etc. are resulting in conversions.


Goals are set in GA to key off of an event. I'm using the GA API to push an event to GA via C# code (there is no unique page view in the app that would indicate a successful conversion).

I can see conversions in GA, but they never show up in Google Ads. As a result, all of my ads/keywords have a conversion rate of 0%, even though I have had conversions as a result of ads being clicked.


  • Ads drive traffic to https://www.example.com
  • Call-to-action buttons direct traffic to https://app.example.com (subdomain)
  • Signups (conversions) happen on the subdomain.
  • Google Ads & Analytics accounts are linked
  • Analytics code in place using Universal Analytics code copied onto every page of the both sites with cookieDomain set to auto with the same property ID.
  • Google Ads conversion has been set up to use Google Analytics as the source for conversion data.
  • This is probably key -- as I typed this question out, I noticed that all conversion events in Google Analytics have a Source/Medium value of "(direct) / (none)" indicating to me that Google Analytics may not be working cross-subdomain.
    • I would think that I should be seeing CPC values here since these conversions originally came from Google Ads. Maybe that's being lost cross-subdomain but sessions appear to be tracked properly (i.e. a visitor coming in on www. is shown as the same visitor in GA when they navigate to app., it doesn't show as a second session.

Any thoughts on what I should be looking at to fix this?

Google Ads Conversion Setup Google Ads Conversion Setup

Google Analytics Conversion Data Showing Direct Referral on Conversion Google Analytics Conversion Data Showing Direct Referral

Google Ads Report Showing No Conversions for Same Time Period Google Ads Report Showing No Conversions for Same Time Period

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